168651Skris=pod 268651Skris 368651Skris=head1 NAME 468651Skris 568651SkrisSSL_get_fd - get file descriptor linked to an SSL object 668651Skris 768651Skris=head1 SYNOPSIS 868651Skris 968651Skris #include <openssl/ssl.h> 1068651Skris 11160814Ssimon int SSL_get_fd(const SSL *ssl); 12160814Ssimon int SSL_get_rfd(const SSL *ssl); 13160814Ssimon int SSL_get_wfd(const SSL *ssl); 1468651Skris 1568651Skris=head1 DESCRIPTION 1668651Skris 1768651SkrisSSL_get_fd() returns the file descriptor which is linked to B<ssl>. 1868651SkrisSSL_get_rfd() and SSL_get_wfd() return the file descriptors for the 1968651Skrisread or the write channel, which can be different. If the read and the 2068651Skriswrite channel are different, SSL_get_fd() will return the file descriptor 2168651Skrisof the read channel. 2268651Skris 2368651Skris=head1 RETURN VALUES 2468651Skris 2568651SkrisThe following return values can occur: 2668651Skris 2768651Skris=over 4 2868651Skris 2968651Skris=item -1 3068651Skris 3168651SkrisThe operation failed, because the underlying BIO is not of the correct type 3268651Skris(suitable for file descriptors). 3368651Skris 3468651Skris=item E<gt>=0 3568651Skris 3668651SkrisThe file descriptor linked to B<ssl>. 3768651Skris 3868651Skris=back 3968651Skris 4068651Skris=head1 SEE ALSO 4168651Skris 4268651SkrisL<SSL_set_fd(3)|SSL_set_fd(3)>, L<ssl(3)|ssl(3)> , L<bio(3)|bio(3)> 4368651Skris 4468651Skris=cut 45